Efficient motion estimation in H.264 reverse transcoding

Chang Hong Fu, Yui Lam Chan, Wan Chi Siu

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

2 Citations (Scopus)

Abstract

In this paper, we propose a fast reverse motion estimation algorithm with efficient mode decision for reverse transcoding of H.264 bitstream. By analyzing the motion vectors and modes decoded from the forward bitstream, the best mode and motion vector for each backward transcoded macroblock are estimated. A remarkable reduction of computational complexity involved in reverse motion estimation can be achieved by the proposed algorithm with only negligible impact on the rate-distortion performance.
Original languageEnglish
Title of host publication2007 IEEE International Conference on Image Processing, ICIP 2007 Proceedings
PublisherIEEE Computer Society
Volume5
ISBN (Print)1424414377, 9781424414376
DOIs
Publication statusPublished - 1 Jan 2007
Event14th IEEE International Conference on Image Processing, ICIP 2007 - San Antonio, TX, United States
Duration: 16 Sep 200719 Sep 2007

Conference

Conference14th IEEE International Conference on Image Processing, ICIP 2007
Country/TerritoryUnited States
CitySan Antonio, TX
Period16/09/0719/09/07

Keywords

  • H.264 video
  • Reverse motion estimation
  • Transcoding
  • Video cassette recording (VCR)

ASJC Scopus subject areas

  • Engineering(all)

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